| SODEN, Malcolm Thomas ACTIVE | Secretary | 03 Sep 2004 | | | | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| CHELES, Rolando ACTIVE | Director | 01 Mar 2010 | | England | July 1954 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| KEMP, Araminta ACTIVE | Director | 01 Feb 2022 | | England | July 1990 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| KEMP, Judith Kit ACTIVE | Director | 10 Oct 2014 | | United Kingdom | November 1950 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| KEMP, Timothy John Reginald ACTIVE | Director | | | United Kingdom | February 1946 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| KEMP, Willow ACTIVE | Director | 01 Feb 2022 | | United Kingdom | October 1987 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| MARKHAM, Craig Andrew ACTIVE | Director | 07 Mar 1996 | | England | July 1961 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| RING, Con Christopher ACTIVE | Director | 25 Nov 2020 | | United Kingdom | April 1969 | 18, Thurloe Place, South Kensington, London, SW7 2SP, United Kingdom |
| SODEN, Malcolm Thomas ACTIVE | Director | 01 Feb 2005 | | United Kingdom | March 1960 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| GRAY, John Paul RESIGNED | Secretary | | 24 Aug 1998 | | | 98 Christchurch Road, London, SW14 7AX |
| LEVITT, Martyn John RESIGNED | Secretary | 24 Aug 1998 | 21 Aug 2003 | | | 7 Witchford, Panshanger, Welwyn Garden City, Hertfordshire, AL7 2PR |
| MARKHAM, Craig Andrew RESIGNED | Secretary | 21 Aug 2003 | 03 Sep 2004 | | | Flat I 28 Nevern Square, London, SW5 9DE |
| BALL, Martin RESIGNED | Director | | 02 Nov 1993 | | April 1950 | 59 Earls Court Square, London, SW5 9DG |
| CRISP, Alan George RESIGNED | Director | 01 Jan 1993 | 25 Sep 1994 | | October 1941 | Old Inn Cottage, Biddington, Oxford, OX6 0PY |
| FIELD, Howard Michael RESIGNED | Director | 01 Apr 2015 | 31 Jul 2020 | United Kingdom | February 1944 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| HOFFMAN, Andreas Serenus RESIGNED | Director | 13 Apr 1999 | 28 Dec 2001 | | May 1958 | La Massellaz, Vaux Sur Morges, CH 112, Switzerland |
| JACKSON, Anna Elizabeth RESIGNED | Director | 01 Feb 2017 | 24 Jul 2020 | United Kingdom | April 1973 | 21, Golden Square, London, W1F 9JN, United Kingdom |
| KEANE, John Michael RESIGNED | Director | | 21 Aug 2003 | | June 1932 | 38 Chemin De La Petite Boissiere, Geneva 1208, FOREIGN, Switzerland |
| LEVITT, Martyn John RESIGNED | Director | 12 Dec 1994 | 21 Aug 2003 | Great Britain | June 1955 | 7 Witchford, Panshanger, Welwyn Garden City, Hertfordshire, AL7 2PR |
| MACDONALD, Sally Amanda RESIGNED | Director | 07 Mar 1996 | 25 Jan 2001 | United Kingdom | September 1964 | Keppoch, Roybridge, Inverness Shire, PH31 4AE |
| READ, Mark Rupert RESIGNED | Director | 01 Feb 2017 | 12 Mar 2026 | England | May 1967 | 18, Thurloe Place, London, SW7 2SP, United Kingdom |
| SMITH, Christopher Scott Hall RESIGNED | Director | 25 Feb 2000 | 24 Aug 2000 | | November 1959 | 40 Ouseley Road, London, SW12 8EF |
| TAYLOR, Rodney Frederick RESIGNED | Director | 01 Apr 2008 | 31 Jan 2016 | United Kingdom | August 1944 | 21, Golden Square, London, W1F 9JN, United Kingdom |
| TRUELOVE, Philip Leslie RESIGNED | Director | 05 Sep 2000 | 06 Jul 2001 | | October 1950 | 31 Beauchamp Place, London, SW3 1NK |
| WATERHOUSE, Eric Catton RESIGNED | Director | 10 Aug 1995 | 31 Jan 1997 | | February 1927 | 12 Claremont St Johns Avenue, London, SW15 2AB |
| WICKS, Carolyn Anne RESIGNED | Director | 25 May 1999 | 28 Apr 2016 | United Kingdom | June 1961 | 21, Golden Square, London, W1F 9JN, United Kingdom |
| YOSHIDA, Soichiro RESIGNED | Director | | 24 Aug 1998 | | December 1945 | Hiroo 3-Chome, 1-17 Shibuya-Ku, Toyko 150, Japan |